Physical Sciences and Mathematics Commons^™

Power-Beaming: Wireless Energy Transfer Using Lasers, Spencer L. Barnett

ATU Scholars Symposium

The objective of the project is to implement a wireless energy transfer system utilizing laser technology. This system involves modulating the laser’s beam profile and spatial distribution through precise optical manipulation. The energy transmitted by the laser is captured by a photovoltaic array, commonly referred to as a solar panel, which is engineered to convert incident photons into direct current (DC) electrical power. The current challenge is to develop a reliable wireless energy transfer mechanism capable of operating over extended distances, thereby overcoming the constraints imposed by wired connections, particularly in environments where wiring is impractical, such as in space. …

Dual Colorimetric And Fluorometric Detection Of Hydrogen Peroxide In Aqueous Samples, Nathan F. Surles, Kaitlin A. Edwards

ATU Scholars Symposium

In this project, a simple, inexpensive colorimetric and fluorometric method for determining hydrogen peroxide in aqueous samples is described. In this method, aryl boronic acid is de-protected to produce a red dye that absorbs and emits in the red/near infrared region of the electromagnetic spectrum. Upon deprotection by the hydrogen peroxide, an intramolecular charge transfer occurs between a strong phenolate donor and a TCF acceptor to produce the strong absorption and bright fluorescence. This allows naked eye detection of hydrogen peroxide within seconds in water under physiological conditions. The detection limit is impressive and falls in the sub-micromolar (µM) range. …

Method For Low-Cost In Situ Measurement Of Dissolved Total Volatile Organic Compound Concentrations In Surface Waters, Teagan A. Jones

ATU Scholars Symposium

Increases in volatile organic compounds (VOC) in developing areas poses risks to aquatic health. Water quality changes in surface waters, if measured, are often only for field parameters of pH, specific conductance, water temperature, and major ions, e.g. Ca2+, Mg2+, Na, Cl. Elevated VOC concentrations can negatively impact aquatic ecosystems even at low concentrations, but do not cause changes in commonly measured parameters and may go undetected based on monitoring these common parameters. Traditional sampling and benchtop analysis for VOC can be both time and cost prohibitive. Here we demonstrate the use of a low-cost in situ dissolved total VOC …

Light As A Lasso: The Design And Construction Of An Optical Trap, Joseph E. Temple

ATU Scholars Symposium

The goal of our work is the design and construction of an optical trap, also known as an "optical tweezer," using equipment commonly available to the undergraduate physics laboratory. Such devices allow us to observe and manipulate micron-scale (on the order of one-thousandth of a millimeter) objects in 3-dimensional space using only light.

The system consists primarily of five components: a laser, two mirrors to collimate (make parallel to the optical table) the beam, two lenses forming a beam expander, two more lenses granting control over the trapping plane, and a microscope objective to focus the beam. Thus far we …

Analyzing Quantum Mechanical Properties Of Electrons Via The Anomalous Zeeman Effect To Verify The Bohr Magneton, Gunner W. Hodges, Anthony J. Mclain

ATU Scholars Symposium

At the turn of the 19th century, scientists were gradually realizing that nature did not behave as it had been thought for centuries. Many thought the concrete laws governing nature were soon to be completed. As we now know, their deterministic optimism was far from reality. Electromagnetic theory predicted that the spectral line emissions from a bulb would split into three distinct bands in the presence of a uniform magnetic field. This behavior was proven in what is known as the Normal Zeeman Effect. What was not expected though was the host of extraneous bands that accompanied the predicted triplet …

College Market, Krysta L. Ray, Sijan Panday, Janniebeth Melendez, Gavin Kent

ATU Scholars Symposium

Each year, according to planetaid.org, college students generate 640 million pounds of waste with items like clothes, furniture, books, and other belongings to avoid the hassle of moving them, contributing to unnecessary waste. Current marketplace applications are overloaded with listings, making it difficult for students to buy and sell items efficiently. For example, 250 million sellers worldwide user Facebook Marketplace. To address this, College Market offers a solution that reduces waste while facilitating seamless connections between students selling unwanted goods and those seeking affordable, local items. College Market is a secure, campus-centered application designed to address both environmental and economic …

An Investigation Into Continued Fraction Expansions Of √ N, Sara R. Ladik, Abdulkadir Hassen

STEM Student Research Symposium Posters

A continued fraction represents a number using an integer part and a sequence of positive integers in the denominators, with all numerators equal to one. This research examines the infinite continued fraction expansions of square roots of non-perfect squares. We observed and proved patterns in these expansions.

Stability Analysis & Analytic Solutions To Unforced Kinematic Property Equations, James Turbett

STEM Student Research Symposium Posters

We present analytic solutions and a stability analysis for a system of nonlinear coupled differential equations that describe the time evolution of kinematic properties of geophysical fluids. Solution curves in phase space are interestingly hyperbolic, elliptical, or parabolic in nature, depending on the initial conditions we input and have interesting geometrical properties.

Fixed-Size Ledger Of Fungible Tokens, Sky P. Waterpeace, Nick Ivanov

STEM Student Research Symposium Posters

Hypotheses:

1. Using a fixed number of fixed-size tokens, the storage of transaction history can be outsourced to the owners of the tokens or to the network.

2. With distributed transaction histories, disjunctive (targeted) proof becomes possible.

Enabling Localized Execution Of Smart Contracts Via Distributed Event Beacons, Rakesh Vasa, Sky P. Waterpeace, Nick Ivanov

STEM Student Research Symposium Posters

Modern smart contracts save their state transitions on a distributed ledger, such as blockchain [3, 4] or a particularly configured cloud [1]. These approaches necessitate storage and synchronization of large amounts of distributed data, leading to scalability deficiencies in decentralized permissionless smart contract platforms. In this poster, we introduce a novel concept of local execution of smart contracts which only required synchronizing the transaction data between the members of the private channel, without the need to storing state transitions on the distributed storage. To achieve this, we design a distributed storage-free decentralized beacon network that allows to perform provenance signatures …

Generating More Equitable Fair Use, Jacqueline Kessel

Pepperdine Law Review

From advancing healthcare and education to threatening democratic systems, generative artificial intelligence (AI) has demonstrated a capacity to positively and negatively impact society. And these benefits and consequences are not shared equitably. Copyright law, however, stands as a powerful mechanism in monitoring AI system development. Several complaints have charged generative AI system developers with copyright infringement, alleging that (1) ingesting copyrighted works as training data infringes the copyright owner’s exclusive right to reproduce works in copies and (2) generating AI outputs infringes the exclusive right to prepare derivative works because the outputs are based upon the works on which the …

Computational Modeling Of Poly-Peptide Chains, Nathan F. Surles, Kaitlin A. Edwards

ATU Scholars Symposium

Investigations of the structural properties of polypeptides are essential for understanding their conformational behavior, stability, and potential biological interactions. In this study, we employed computational techniques to determine the optimized structures of two model polypeptides: tri-glycine and di-tryptophan.

Charge-To-Mass Ratio Of The Electron, Joseph E. Temple, Zachary D. Jimerson

ATU Scholars Symposium

We measured the charge-to-mass ratio (q/m) of the electron via a method similar to that used by J.J. Thomson in 1897. Our calculated value is q/m = (1.752 +/- 0.046) x 10^11 C/kg, which agrees with the textbook value of 1.759 x 10^11 C/kg within an error of 0.36%. This confirms the viability and accuracy of Thomson's approach for determining the electron's q/m ratio. Observed uncertainties are attributed to variations in the magnetic field within the Helmholtz coil apparatus and fluctuations in current over time.

The Effects Of Climate Change On The Advancement Of West Nile Virus, Mackenzie R. Epperson

ATU Scholars Symposium

The West Nile virus (WNV) first emerged in the United States in the year 1999 within the state of New York and has become endemic throughout the country over time. This virus is contracted from an avian species acting as the reservoir host, by the vector species which are mosquitoes. From this point, the mosquitoes transmit the virus to humans and other mammals, which are the dead end hosts. The WNV often presents itself as flu-like symptoms, but in serious cases can cause severe arboviral neurological disease. Since this is an arbovirus, it is important to have the ability to …

Meet Atu Intro, Caleb Urbani, Darlene Matamoros, Dena Paw, Jean Caballero

ATU Scholars Symposium

Meet ATU is our app designed to improve a student’s network and campus experience. Specifically made for students at Arkansas Tech University, Meet ATU allows students to connect and engage with their classmates easily. Students can add classes to their profiles using a course reference number. Students can also personalize their profiles to help them find other students to connect with within their enrolled classes. Meet ATU encourages students to communicate and collaborate with others through the messaging page. This would help students grow their network. The app will also include a leaderboard page that tracks points earned through various …

An Analysis On The Time Effectiveness Of Speeding While Driving A Vehicle, Joy Skaggs

ATU Scholars Symposium

Speeding is responsible for roughly a third of all crashes, often coming at a deadly cost. The National Highway Traffic Safety Administration reports many negative consequences, such as a greater likelihood of loss of vehicle control, reduced protection equipment effectiveness, increased stopping distance, crash severity, and fuel consumption (National Highway Traffic Safety Administration, n.d.). Yet despite these costs, drivers continue to speed. In fact, in our fast paced world, speeding is so normalized that it’s uncommon to encounter a driver following the speed limit. Hawaiian psychology professor Leon James explains it best: people have twisted their definitions of speeding to …

Detecting Ideological Bias In Trump's Tweets: Trump's Peace Plan As A Case Study, Amer Qasem Dr

Middle East Journal of Communication Studies

This study aims to explore the extent of ideological bias in the discourse of elected U.S. President Donald Trump on social media platforms, specifically Twitter (now known as X), regarding his peace plan, commonly referred to as the "Deal of the Century." The study employs Critical Discourse Analysis (CDA) to examine all of Trump’s tweets related to the Deal of the Century, seeking to answer the following research questions: How did Trump portray the parties affected by the deal in his tweets? What rhetorical strategies did he employ to present the deal? The analysis spans the period from the announcement …

The Use Of Artificial Intelligence Applications By Media Students In Palestinian Universities And Their Achieved Gratifications “A Field Study”, Said Shaheen Allani Dr, Ahmad Al Sallaq

Middle East Journal of Communication Studies

The study aimed to identify the extent to which media students in Palestinian universities use artificial intelligence applications and the achieved gratifications from it. The study belongs to the descriptive studies approach utilizing questionnaire as a tool for collecting data, for an available sample of (165) individuals that were distributed in five Palestinian universities. The study reached to; (54.5%) of media students in Palestinian universities use artificial intelligence applications, they use it for several reasons, the most important phrase is “it helps me to produce good digital content,” with a relative weight of (47.4%), it also achieves a number of …

Media Frameworks In Addressing Environmental Issues On Al Jazeera Net Website: An Analytical Study, Sabah Al Harahsheh Dr

Middle East Journal of Communication Studies

This study aimed to recognize the media frameworks used to address environmental issues on (Al Jazeera Net) between 2009 and 2024. The study relied on the descriptive survey method, the theory of media frames, and the content analysis as a method and tool. The study population consisted of all articles, reports and interviews published on the (Al Jazeera Net) throughout the period specified by the study. A purposive sample was selected from the articles, reports and interviews interested in environmental issues only, which numbered eighteen journalistic works. The study identified the most important frameworks that presented the environmental issues during …

The Mediating Role Of Remote Communication On The Relationship Between Electronic Human Resource Management Practices And Organizational Performance In Iraqi Commercial Banks, Shuhub Basel Ahmad Taqa

Middle East Journal of Communication Studies

This study aimed to measure the impact of remote communication as a mediating variable on the relationship between electronic human resources (e-HRM) and organizational performance in Iraqi commercial banks. The study adopted a descriptive-analytical approach, with the study population consisting of managers, their deputies, and department heads in Iraqi commercial banks, totaling 242 individuals distributed across 24 commercial banks by the end of 2023. A total of 234 questionnaires were analyzed, achieving a response rate of 96.7%. The study employed Smart PLS software for data analysis and result extraction. The study revealed several key findings, the most significant of which …

Implications Of The Cosmic Calibration Tension Beyond ��₀ And The Synergy Between Early- And Late-Time New Physics, V. Poulin, Tristan L. Smith, R. Calderón, T. Simon

Physics & Astronomy Faculty Works

The cosmic calibration tension is a >5⁢�� discrepancy between the cosmological distance ladder built from baryonic acoustic oscillations calibrated by the Planck/Λ cold dark matter (Λ⁢CDM) sound horizon (��_��) and type Ia supernovae calibrated instead with the SH0ES absolute magnitude, assuming the distance-duality relationship holds. In this work, we emphasize the consequences of this tension beyond the value of the Hubble constant ��₀ and the implications for physics beyond Λ⁢CDM. Of utmost importance, it implies a larger physical matter density ��ₘ≡Ωₘ⁢ℎ², as both the fractional matter density Ωₘ and ℎ ≡��₀⁡/100 km/s/Mpc are well constrained from late-time data. …

Measuring Small Currents At Fast Speeds Using A 2nd Generation Electrometer, Donna Metcalf

Physics Capstone Projects

This project presents the development of a second-generation electrometer designed to measure extremely low currents with improved speed and sensitivity. Based on the foundational architecture developed by Vladimir Zavylov, this iteration focuses on enhancing performance through optimized circuit components, modular configuration, and a custom-designed, battery- powered power supply that enables high-voltage floating measurements. The work encompasses the complete design cycle—creating a full schematic, developing a tailored power delivery system, assembling printed circuit boards (PCBs), constructing wiring harnesses, and integrating components into a protective housing.

Self-Supervised Learning And Its Applications In Medical Image Analysis, Siladittya Manna

Doctoral Theses

Self-supervised learning (SSL) enables learning robust representations from unlabeled data and it consists of two stages: pretext and downstream. The representations learnt in the pretext task are transferred to the downstream task. Self-supervised learning has appli- cations in various domains, such as computer vision tasks, natural language processing, speech and audio processing, etc. In transfer learning scenarios, due to differences in the data distribution of the source and the target data, the hierarchical co-adaptation of the representations is destroyed, and hence proper fine-tuning is required to achieve satisfactory performance. With self-supervised pre-training, it is possible to learn repre- sentations aligned …

Analysis And Monitoring Of A Robotics Curriculum: Are Simnow Modules Valuable?, Jacob Applegarth, Ibrahim Baida, Anthony Iacco, Ngan Nguyen, Nathan Novotny

Posters

No abstract provided.

From The Ground Up: Community-Based Participatory Research Reclaiming The Science Of Lead, Juan Manuel Rubio, Bavisha Kaylan, Anthony Diaz, Patricia Flores, Maya Cheav, David C. Bañuelas, Ashley Green, Annika Hjelmstad, Ariane Jong-Levinger, Tim Schütz, Maya Carrasquillo, Alana M. W. Lebron, Jun Wu

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

For decades, the dominant approach to lead poisoning has been to focus on homes affected by lead paint and to treat children who are already suffering from lead poisoning. This individualizing approach developed in the context of the defunding and deregulation of government agencies in the 1980s. In recent years, however, community–academic partnerships have reframed lead as an environmental issue produced by the development of the lead industry in the twentieth century and connected to overlapping histories of exploitation, discrimination, and inaction. These community-based projects have contributed to shifting research agendas (by emphasizing historical analysis and the study of the …

One Size Doesn’T Fit All: Towards Design And Evaluation Of Developmentally Appropriate Parental Control Tool, Prakriti Dumaru, Mahdi Nasrullah Al-Ameen

Computer Science Student Research

As children progress through developmental stages, they undergo substantial biological, cognitive, and social changes, creating unique needs for online safety across different age groups (e.g., young children, tweens, teens). The existing parental control tools fail to account for these differences, leaving a notable gap in the literature on parental mediation. To this end, we conducted 10 focus group sessions with a total of 20 parents to understand their preferences for age-appropriate design components that promote self-regulation and open communication, followed by an ideation workshop with four UX design experts to translate these preferences into customized features. We then evaluated these …

Exploring The Impacts Of An Adaptive Haptic Heartbeat Within A Socially Assistive Robot, Jade Thompson

Honors Theses

This research investigates the therapeutic effects of an adaptive haptic heartbeat within Therabot, a stuffed robotic dog. A simulated haptic heartbeat that adjusts its own speed based on user heart rate was developed for integration within Therabot. A user study evaluated the effects of various heartbeat behaviors on user experiences with Therabot, with respect to improvements in self-reported state anxiety, physiological improvements, and perceptions of the robot. A relationship was found between improvements in self-reported state anxiety and positive opinions of Therabot, regardless of condition. Additionally, differences were found between conditions with respect to improved aspects of state anxiety, with …

Trends And Transport Of Tropospheric Ozone From New York City To Connecticut In The Summer Of 2023, Michele Iraci

Honors Scholar Theses

Tropospheric Ozone, or O3, is a criteria pollutant contributing to most of Connecticut and New York City’s poor air quality days. It has adverse effects on human health, particularly for high-risk individuals. Ozone is produced by nitrogen oxides and volatile organic compounds from fuel combustion reacting with sunlight. The Ozone Transport Region (OTR) is a collection of states in the Northeast and Mid-Atlantic United States that experience cross-state pollution of O3. Connecticut has multiple days a year where O3 values exceed the National Ambient Air Quality Standards, requiring additional monitoring and standards because it falls in the OTR— partially due …

Autonomous Intelligence In Fashion: A Comprehensive Analysis Of Agentic Ai Across The Fashion Ecosystem, Andrew Burnstine

Faculty and Staff Publications & Presentations

The fashion industry is undergoing a paradigm shift with the emergence of agentic artificial intelligence (AI), a sophisticated class of intelligent systems exhibiting autonomous decision-making, continuous learning, and adaptive action with minimal human intervention. Moving beyond traditional AI applications in fashion focused on predictive analytics, generative tools, and supervised automation, agentic AI introduces a transformative paradigm wherein intelligent agents proactively navigate the complexities inherent in design, manufacturing, supply chain optimization, and consumer personalization. This paper presents a comprehensive exploration of the evolving role of agentic AI across the multifaceted fashion ecosystem, offering an in-depth analysis of its technological underpinnings, operational …

Synthesis Of Organosilicon Substituted Fₓpczn For The Preparation Of Silica-Based Photo-Catalysts, Reagan E. Daly

Seton Hall University Dissertations and Theses (ETDs)

This study began with the synthesis, purification, and catalytic application of hexadeca fluoro phthalocyanine zinc (F₁₆PcZn) derivatives functionalized with organosilane consuming thiol groups. The F₁₆PcZn was synthesized by reacting tetrafluorophthalonitrile (TFPN) with zinc acetate (Zn(OAc)₂) in 1-chloronaphthalene as a solvent, under a controlled heating process at 185°C for 90 minutes. The resulting blue solid was purified via vacuum filtration and recrystallization techniques to remove residual solvents and by-products, yielding pure F₁₆PcZn. The purity of the product was assessed through UV-Vis spectroscopy, MALDI analysis, and a molar extinction coefficient was determined.

Subsequent nucleophilic substitution of the fluorine atoms on F₁₆PcZn with …